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Diffstat (limited to 'debug/obprintf_chk.c')
-rw-r--r-- | debug/obprintf_chk.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/debug/obprintf_chk.c b/debug/obprintf_chk.c deleted file mode 100644 index 12f021cb9d..0000000000 --- a/debug/obprintf_chk.c +++ /dev/null @@ -1,115 +0,0 @@ -/* Print output of stream to given obstack. - Copyright (C) 1996-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - - -#include <stdlib.h> -#include <libioP.h> -#include "../libio/strfile.h" -#include <assert.h> -#include <string.h> -#include <errno.h> -#include <obstack.h> -#include <stdarg.h> -#include <stdio_ext.h> - - -struct _IO_obstack_file -{ - struct _IO_FILE_plus file; - struct obstack *obstack; -}; - -extern const struct _IO_jump_t _IO_obstack_jumps libio_vtable attribute_hidden; - -int -__obstack_vprintf_chk (struct obstack *obstack, int flags, const char *format, - va_list args) -{ - struct obstack_FILE - { - struct _IO_obstack_file ofile; - } new_f; - int result; - int size; - int room; - -#ifdef _IO_MTSAFE_IO - new_f.ofile.file.file._lock = NULL; -#endif - - _IO_no_init (&new_f.ofile.file.file, _IO_USER_LOCK, -1, NULL, NULL); - _IO_JUMPS (&new_f.ofile.file) = &_IO_obstack_jumps; - room = obstack_room (obstack); - size = obstack_object_size (obstack) + room; - if (size == 0) - { - /* We have to handle the allocation a bit different since the - `_IO_str_init_static' function would handle a size of zero - different from what we expect. */ - - /* Get more memory. */ - obstack_make_room (obstack, 64); - - /* Recompute how much room we have. */ - room = obstack_room (obstack); - size = room; - - assert (size != 0); - } - - _IO_str_init_static_internal ((struct _IO_strfile_ *) &new_f.ofile, - obstack_base (obstack), - size, obstack_next_free (obstack)); - /* Now allocate the rest of the current chunk. */ - assert (size == (new_f.ofile.file.file._IO_write_end - - new_f.ofile.file.file._IO_write_base)); - assert (new_f.ofile.file.file._IO_write_ptr - == (new_f.ofile.file.file._IO_write_base - + obstack_object_size (obstack))); - obstack_blank_fast (obstack, room); - - new_f.ofile.obstack = obstack; - - /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n - can only come from read-only format strings. */ - if (flags > 0) - new_f.ofile.file.file._flags2 |= _IO_FLAGS2_FORTIFY; - - result = _IO_vfprintf (&new_f.ofile.file.file, format, args); - - /* Shrink the buffer to the space we really currently need. */ - obstack_blank_fast (obstack, (new_f.ofile.file.file._IO_write_ptr - - new_f.ofile.file.file._IO_write_end)); - - return result; -} -libc_hidden_def (__obstack_vprintf_chk) - - -int -__obstack_printf_chk (struct obstack *obstack, int flags, const char *format, - ...) -{ - int result; - va_list ap; - va_start (ap, format); - result = __obstack_vprintf_chk (obstack, flags, format, ap); - va_end (ap); - return result; -} |